Round 2 at the 2011 Memorial Tournament

1 of 7 Andy Lyons/Getty Images
 fired a six-under 66, despite a double bogey on No. 14.
2 of 7 Tony Dejak/AP
 triple bogeyed the par-4 14th on his way to a 1-over 73.
3 of 7 Scott Halleran/Getty Images
 finished with a hole-in-one and a birdie to shoot a 5-under 67. He has a three-shot lead heading into the weekend.
4 of 7 Fred Vuich/SI
 birdied the last two holes for a 3-under 69.
5 of 7 Fred Vuich/SI
 made three birdies and a bogey for a 2-under 70.
6 of 7 Scott Halleran/Getty Images
 bogeyed the last hole for a 1-over 73.
7 of 7 Andy Lyons/Getty Images
 is one of four players tied for second.